Pet-Ag Esbilac Puppy Milk Replacer Powder is a beneficial formula that provides additional nutrition for newborn puppies who have been orphaned, rejected or are nursing but may need supplemental feedings for up to 6 weeks of age. This highly palatable recipe contains prebiotics and probiotics, plus vitamins and minerals. It¡¯s enriched, easily digestible and provides the same amounts of protein, fat and carbohydrates found in your pup¡¯s mother¡¯s milk.